package TRANVIETHOANG;

import java.util.Scanner;

public class HOMEWORK_03 {

	public static void main(String[] args) {
		
		//input string
		String kg;
		Scanner in = new Scanner(System.in);
		
		//do check string

		do{
		System.out.println("Please input a kilogram");
		kg = in.nextLine();
		if (kg.isEmpty())
		{
			System.out.println("You haven't typed a kilogram yet");
		}
		
		} while(kg.isEmpty());
		
		double kgr = Double.parseDouble(kg.trim());
		System.out.println("Result: " + kgr + " Kilogram = " + (kgr * 2.2));
		
		
	}

}
